<?php
/*
 * 汉字转换成拼音类
 * @author andery <andery@foxmail.com>
 */
class CPinyin 
{
    private static $_data = array(
        array("a",-20319),
        array("ai",-20317),
        array("an",-20304),
        array("ang",-20295),
        array("ao",-20292),
        array("ba",-20283),
        array("bai",-20265),
        array("ban",-20257),
        array("bang",-20242),
        array("bao",-20230),
        array("bei",-20051),
        array("ben",-20036),
        array("beng",-20032),
        array("bi",-20026),
        array("bian",-20002),
        array("biao",-19990),
        array("bie",-19986),
        array("bin",-19982),
        array("bing",-19976),
        array("bo",-19805),
        array("bu",-19784),
        array("ca",-19775),
        array("cai",-19774),
        array("can",-19763),
        array("cang",-19756),
        array("cao",-19751),
        array("ce",-19746),
        array("ceng",-19741),
        array("cha",-19739),
        array("chai",-19728),
        array("chan",-19725),
        array("chang",-19715),
        array("chao",-19540),
        array("che",-19531),
        array("chen",-19525),
        array("cheng",-19515),
        array("chi",-19500),
        array("chong",-19484),
        array("chou",-19479),
        array("chu",-19467),
        array("chuai",-19289),
        array("chuan",-19288),
        array("chuang",-19281),
        array("chui",-19275),
        array("chun",-19270),
        array("chuo",-19263),
        array("ci",-19261),
        array("cong",-19249),
        array("cou",-19243),
        array("cu",-19242),
        array("cuan",-19238),
        array("cui",-19235),
        array("cun",-19227),
        array("cuo",-19224),
        array("da",-19218),
        array("dai",-19212),
        array("dan",-19038),
        array("dang",-19023),
        array("dao",-19018),
        array("de",-19006),
        array("deng",-19003),
        array("di",-18996),
        array("dian",-18977),
        array("diao",-18961),
        array("die",-18952),
        array("ding",-18783),
        array("diu",-18774),
        array("dong",-18773),
        array("dou",-18763),
        array("du",-18756),
        array("duan",-18741),
        array("dui",-18735),
        array("dun",-18731),
        array("duo",-18722),
        array("e",-18710),
        array("en",-18697),
        array("er",-18696),
        array("fa",-18526),
        array("fan",-18518),
        array("fang",-18501),
        array("fei",-18490),
        array("fen",-18478),
        array("feng",-18463),
        array("fo",-18448),
        array("fou",-18447),
        array("fu",-18446),
        array("ga",-18239),
        array("gai",-18237),
        array("gan",-18231),
        array("gang",-18220),
        array("gao",-18211),
        array("ge",-18201),
        array("gei",-18184),
        array("gen",-18183),
        array("geng",-18181),
        array("gong",-18012),
        array("gou",-17997),
        array("gu",-17988),
        array("gua",-17970),
        array("guai",-17964),
        array("guan",-17961),
        array("guang",-17950),
        array("gui",-17947),
        array("gun",-17931),
        array("guo",-17928),
        array("ha",-17922),
        array("hai",-17759),
        array("han",-17752),
        array("hang",-17733),
        array("hao",-17730),
        array("he",-17721),
        array("hei",-17703),
        array("hen",-17701),
        array("heng",-17697),
        array("hong",-17692),
        array("hou",-17683),
        array("hu",-17676),
        array("hua",-17496),
        array("huai",-17487),
        array("huan",-17482),
        array("huang",-17468),
        array("hui",-17454),
        array("hun",-17433),
        array("huo",-17427),
        array("ji",-17417),
        array("jia",-17202),
        array("jian",-17185),
        array("jiang",-16983),
        array("jiao",-16970),
        array("jie",-16942),
        array("jin",-16915),
        array("jing",-16733),
        array("jiong",-16708),
        array("jiu",-16706),
        array("ju",-16689),
        array("juan",-16664),
        array("jue",-16657),
        array("jun",-16647),
        array("ka",-16474),
        array("kai",-16470),
        array("kan",-16465),
        array("kang",-16459),
        array("kao",-16452),
        array("ke",-16448),
        array("ken",-16433),
        array("keng",-16429),
        array("kong",-16427),
        array("kou",-16423),
        array("ku",-16419),
        array("kua",-16412),
        array("kuai",-16407),
        array("kuan",-16403),
        array("kuang",-16401),
        array("kui",-16393),
        array("kun",-16220),
        array("kuo",-16216),
        array("la",-16212),
        array("lai",-16205),
        array("lan",-16202),
        array("lang",-16187),
        array("lao",-16180),
        array("le",-16171),
        array("lei",-16169),
        array("leng",-16158),
        array("li",-16155),
        array("lia",-15959),
        array("lian",-15958),
        array("liang",-15944),
        array("liao",-15933),
        array("lie",-15920),
        array("lin",-15915),
        array("ling",-15903),
        array("liu",-15889),
        array("long",-15878),
        array("lou",-15707),
        array("lu",-15701),
        array("lv",-15681),
        array("luan",-15667),
        array("lue",-15661),
        array("lun",-15659),
        array("luo",-15652),
        array("ma",-15640),
        array("mai",-15631),
        array("man",-15625),
        array("mang",-15454),
        array("mao",-15448),
        array("me",-15436),
        array("mei",-15435),
        array("men",-15419),
        array("meng",-15416),
        array("mi",-15408),
        array("mian",-15394),
        array("miao",-15385),
        array("mie",-15377),
        array("min",-15375),
        array("ming",-15369),
        array("miu",-15363),
        array("mo",-15362),
        array("mou",-15183),
        array("mu",-15180),
        array("na",-15165),
        array("nai",-15158),
        array("nan",-15153),
        array("nang",-15150),
        array("nao",-15149),
        array("ne",-15144),
        array("nei",-15143),
        array("nen",-15141),
        array("neng",-15140),
        array("ni",-15139),
        array("nian",-15128),
        array("niang",-15121),
        array("niao",-15119),
        array("nie",-15117),
        array("nin",-15110),
        array("ning",-15109),
        array("niu",-14941),
        array("nong",-14937),
        array("nu",-14933),
        array("nv",-14930),
        array("nuan",-14929),
        array("nue",-14928),
        array("nuo",-14926),
        array("o",-14922),
        array("ou",-14921),
        array("pa",-14914),
        array("pai",-14908),
        array("pan",-14902),
        array("pang",-14894),
        array("pao",-14889),
        array("pei",-14882),
        array("pen",-14873),
        array("peng",-14871),
        array("pi",-14857),
        array("pian",-14678),
        array("piao",-14674),
        array("pie",-14670),
        array("pin",-14668),
        array("ping",-14663),
        array("po",-14654),
        array("pu",-14645),
        array("qi",-14630),
        array("qia",-14594),
        array("qian",-14429),
        array("qiang",-14407),
        array("qiao",-14399),
        array("qie",-14384),
        array("qin",-14379),
        array("qing",-14368),
        array("qiong",-14355),
        array("qiu",-14353),
        array("qu",-14345),
        array("quan",-14170),
        array("que",-14159),
        array("qun",-14151),
        array("ran",-14149),
        array("rang",-14145),
        array("rao",-14140),
        array("re",-14137),
        array("ren",-14135),
        array("reng",-14125),
        array("ri",-14123),
        array("rong",-14122),
        array("rou",-14112),
        array("ru",-14109),
        array("ruan",-14099),
        array("rui",-14097),
        array("run",-14094),
        array("ruo",-14092),
        array("sa",-14090),
        array("sai",-14087),
        array("san",-14083),
        array("sang",-13917),
        array("sao",-13914),
        array("se",-13910),
        array("sen",-13907),
        array("seng",-13906),
        array("sha",-13905),
        array("shai",-13896),
        array("shan",-13894),
        array("shang",-13878),
        array("shao",-13870),
        array("she",-13859),
        array("shen",-13847),
        array("sheng",-13831),
        array("shi",-13658),
        array("shou",-13611),
        array("shu",-13601),
        array("shua",-13406),
        array("shuai",-13404),
        array("shuan",-13400),
        array("shuang",-13398),
        array("shui",-13395),
        array("shun",-13391),
        array("shuo",-13387),
        array("si",-13383),
        array("song",-13367),
        array("sou",-13359),
        array("su",-13356),
        array("suan",-13343),
        array("sui",-13340),
        array("sun",-13329),
        array("suo",-13326),
        array("ta",-13318),
        array("tai",-13147),
        array("tan",-13138),
        array("tang",-13120),
        array("tao",-13107),
        array("te",-13096),
        array("teng",-13095),
        array("ti",-13091),
        array("tian",-13076),
        array("tiao",-13068),
        array("tie",-13063),
        array("ting",-13060),
        array("tong",-12888),
        array("tou",-12875),
        array("tu",-12871),
        array("tuan",-12860),
        array("tui",-12858),
        array("tun",-12852),
        array("tuo",-12849),
        array("wa",-12838),
        array("wai",-12831),
        array("wan",-12829),
        array("wang",-12812),
        array("wei",-12802),
        array("wen",-12607),
        array("weng",-12597),
        array("wo",-12594),
        array("wu",-12585),
        array("xi",-12556),
        array("xia",-12359),
        array("xian",-12346),
        array("xiang",-12320),
        array("xiao",-12300),
        array("xie",-12120),
        array("xin",-12099),
        array("xing",-12089),
        array("xiong",-12074),
        array("xiu",-12067),
        array("xu",-12058),
        array("xuan",-12039),
        array("xue",-11867),
        array("xun",-11861),
        array("ya",-11847),
        array("yan",-11831),
        array("yang",-11798),
        array("yao",-11781),
        array("ye",-11604),
        array("yi",-11589),
        array("yin",-11536),
        array("ying",-11358),
        array("yo",-11340),
        array("yong",-11339),
        array("you",-11324),
        array("yu",-11303),
        array("yuan",-11097),
        array("yue",-11077),
        array("yun",-11067),
        array("za",-11055),
        array("zai",-11052),
        array("zan",-11045),
        array("zang",-11041),
        array("zao",-11038),
        array("ze",-11024),
        array("zei",-11020),
        array("zen",-11019),
        array("zeng",-11018),
        array("zha",-11014),
        array("zhai",-10838),
        array("zhan",-10832),
        array("zhang",-10815),
        array("zhao",-10800),
        array("zhe",-10790),
        array("zhen",-10780),
        array("zheng",-10764),
        array("zhi",-10587),
        array("zhong",-10544),
        array("zhou",-10533),
        array("zhu",-10519),
        array("zhua",-10331),
        array("zhuai",-10329),
        array("zhuan",-10328),
        array("zhuang",-10322),
        array("zhui",-10315),
        array("zhun",-10309),
        array("zhuo",-10307),
        array("zi",-10296),
        array("zong",-10281),
        array("zou",-10274),
        array("zu",-10270),
        array("zuan",-10262),
        array("zui",-10260),
        array("zun",-10256),
        array("zuo",-10254)
    );
    
    /**
     * 获得城市拼音
     * @param string $str //中文字符串
     * @param string $code //编码方式
     */
    public function get_pinyin($str, $code='utf8')
    {
        $str_num = '';
        for ($i=0;$i<strlen($str);$i++) {
            $i_str = substr($str,$i,1);
            if (ord($i_str)<128) {
                $str_num .= $i_str;
            } else {
                break;
            }
        }
        $str = substr($str, $i);
        if ($code == 'utf8') {
            $str = $this->_u2_utf8_gb($str);
        }
        $str = $str_num . $str;
        $result = '';
        for ($i=0;$i<strlen($str);$i++) {
            $p=ord(substr($str,$i,1));
            if ($p>160) {
                $q=ord(substr($str,++$i,1));
                $p=$p*256+$q-65536;
            }
            $result .= $this->_get_one($p);
        }
        
        return $result;
    }
    
    public function get_initials($pinyin)
    {
        if (ord($pinyin{0})<58) {
            $arr_n = array('0'=>"零", '1'=>"一", '2'=>"二", '3'=>"三", '4'=>"四", '5'=>"五", '6'=>"六", '7'=>"七", '8'=>"八", '9'=>"九");
            $int_str= $arr_n[$pinyin{0}];
            $int_pinyin = $this->get_pinyin($int_str);
            $initials = $int_pinyin{0};
        } else {
            $initials = $pinyin{0};
        }
        return $initials;
    }
    
    private function _get_one($num)
    {
        if ($num>0&&$num<160) {
            return chr($num);
        } elseif ($num<-20319||$num>-10247) {
            return "";
        }else{
            for ($i=count(self::$_data)-1; $i>=0; $i--) {
                if (self::$_data[$i][1]<=$num) break;
            }
            return self::$_data[$i][0];
        }
    }
    
    private function _u2_utf8_gb($c)
    {
        $string = '';
        if ($c < 0x80) {
            $string .= $c;
        } elseif($c < 0x800) {
            $string .= chr(0xC0 | $c>>6);
            $string .= chr(0x80 | $c & 0x3F);
        } elseif ($c < 0x10000) {
            $string .= chr(0xE0 | $c>>12);
            $string .= chr(0x80 | $c>>6 & 0x3F);
            $string .= chr(0x80 | $c & 0x3F);
        } elseif ($c < 0x200000) {
            $string .= chr(0xF0 | $c>>18);
            $string .= chr(0x80 | $c>>12 & 0x3F);
            $string .= chr(0x80 | $c>>6 & 0x3F);
            $string .= chr(0x80 | $c & 0x3F);
        }
        
        return iconv('UTF-8', 'GB2312//IGNORE', $string);
    }
}